XML 46 R34.htm IDEA: XBRL DOCUMENT v3.21.2

Commitments (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2021 USD ($) ServiceLine	Dec. 31, 2020 USD ($)
Company-Owned Lead Service Lines [Member]
Commitments [Abstract]
Term to replace all remaining company-owned lead service lines	4 years
Customer-Owned Lead Service Lines [Member]
Commitments [Abstract]
Number of lead customer-owned service lines to be replaced annually | ServiceLine	400
Term of tariff modification to replace customer-owned lead service lines	9 years
Recovery period of regulatory asset	4 years
Costs incurred to replace customer-owned lead service lines	$ 1,307	$ 1,204
Costs to be incurred to replace customer-owned lead service lines	$ 1,500

X

- References

No definition available.

+ Details

Name:	us-gaap_OtherCommitmentsAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Remaining recovery period of regulatory assets for which no return on investment during recovery period is provided, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 980
-SubTopic 340
-Section 55
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=123406419&loc=d3e44360-110383

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 980
-SubTopic 340
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6499975&loc=d3e44250-110382

+ Details

Name:	us-gaap_RemainingRecoveryPeriodOfRegulatoryAssetsForWhichNoReturnOnInvestmentDuringRecoveryPeriodIsProvided1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of costs incurred to date for replacing all of the remaining customer-owned lead service lines connected to company-owned lead service lines under a four-year tariff modification.

+ References

No definition available.

+ Details

Name:	yorw_CostsForCustomerOwnedLeadServiceLineReplacementsCostIncurredToDateUnderFourYearTariff
Namespace Prefix:	yorw_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Amount of expected cost remaining for replacing all of the remaining customer-owned lead service lines connected to company-owned lead service lines under a nine-year tariff modification.

+ References

No definition available.

+ Details

Name:	yorw_CostsForCustomerOwnedLeadServiceLineReplacementsExpectedCostRemainingUnderNineYearTariff
Namespace Prefix:	yorw_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

Number of lead customer-owned service lines to be replaced annually whenever they are discovered.

+ References

No definition available.

+ Details

Name:	yorw_NumberOfLeadCustomerOwnedServiceLinesToBeReplacedAnnually
Namespace Prefix:	yorw_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Term of consent order agreement with the Pennsylvania Department of Environmental Protection involving the replacement of lead customer-owned service lines regardless of material used for company-owned service lines, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	yorw_TermOfConsentOrderAgreementToReplaceCustomerOwnedLeadServiceLines
Namespace Prefix:	yorw_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Period of time within which the Company will replace all of the remaining company-owned lead service lines, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

+ Details

Name:	yorw_TermToReplaceAllRemainingCompanyOwnedLeadServiceLines
Namespace Prefix:	yorw_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_OtherCommitmentsAxis=yorw_CompanyOwnedLeadServiceLinesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_OtherCommitmentsAxis=yorw_CustomerOwnedLeadServiceLinesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: